Int, long are heavier, replace with equal==
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Java
First of all, there are many restrictions on = =. For example, if the value of integer type is in [- 128127], it is OK for integer to use "= =" (). If it exceeds the range, it will not work. If equal is used instead, it will be completely OK
Return results
The above example shows that there is still a big difference between "= =" and equal, which can be replaced==
Long's source code is as follows:
Integer source code is as follows:
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